ULC 635
- Standard for Lining Systems for Existing Masonry or Factory-Built Chimneys and Vents (ULC S635:2016)
- standard by Underwriters Laboratories of Canada, 08/01/2016
- Category: ULC
$165.00
$83.00
Class 1 - For the venting of gas-fired appliances where the temperature of the flue-gas products in 135 °C or above, but does not exceed 245 °C;
Class 2 - For the venting of oil and gas-fired appliances where the temperature of the flue-gas products does not normally exceed 300 °C; and
Class 3 - For the venting of oil-, gas- and solid-fuel fired appliances where the temperature of the flue-gas products does not normally exceed 650 °C.
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